Articles on the Pega platform, Constellation UI, JavaScript and engineering leadership by Kamil Janeczek.https://www.kjaneczek.pl/enhttps://www.kjaneczek.pl/blog/headless-shopify-tanstack-cloudflare/https://www.kjaneczek.pl/blog/headless-shopify-tanstack-cloudflare/A practical case study of going headless with Shopify: TanStack Start, Cloudflare Workers, React 19 SSR, Rust/WASM Shopify Functions, and end-to-end type safety. Real code from kaheli.pl.Sat, 02 May 2026 00:00:00 GMTCloudflareTanStackShopifyReactHeadless CommerceRustEdge ComputingKamil Janeczekhttps://www.kjaneczek.pl/blog/enterprise-ai-solutions-intro/https://www.kjaneczek.pl/blog/enterprise-ai-solutions-intro/Series intro: going deeper on Python and Azure (after using them on past projects) to learn Microsoft Agent Framework, with Claude Code as a personalized tutor. Why enterprise AI is its own world, and how I'm building inside it.Sat, 25 Apr 2026 00:00:00 GMTPythonMicrosoft Agent FrameworkAzureAIEnterprise AIFastAPIClaude Codelearning journeyKamil Janeczekhttps://www.kjaneczek.pl/blog/human-on-the-loop/https://www.kjaneczek.pl/blog/human-on-the-loop/Exploring the shift from 'human in the loop' to 'human on the loop' in AI-assisted development, where developers define constraints upfront and verify outputs rather than approving every micro-step.Thu, 19 Feb 2026 00:00:00 GMTAILLMAgenticAIGenAIsoftware developmentKamil Janeczekhttps://www.kjaneczek.pl/blog/nextjs-to-astro-migration/https://www.kjaneczek.pl/blog/nextjs-to-astro-migration/How I migrated from Next.js to Astro on Cloudflare in 2 hours using Claude Code. Learn why I'm now using Astro for content sites and TanStack Start for web apps—both on Cloudflare.Thu, 22 Jan 2026 00:00:00 GMTCloudflareClaude CodeTanStackAstroAI DevelopmentKamil Janeczekhttps://www.kjaneczek.pl/blog/agentic-ai-in-workflows/https://www.kjaneczek.pl/blog/agentic-ai-in-workflows/In today's evolving AI landscape, agentic AI is emerging as a powerful force—transforming passive processes into proactive, intelligent systems. But how can this shift be leveraged in the domains of workflow and case management?Thu, 14 Aug 2025 00:00:00 GMTAILLMAgenticAIGenAIKamil Janeczekhttps://www.kjaneczek.pl/blog/website-remodeling/https://www.kjaneczek.pl/blog/website-remodeling/Learn how I transformed my website using modern technologies: content-collections for content management, monorepo architecture for better code organization, and GitHub CI/CD for automated deployments.Thu, 03 Jul 2025 00:00:00 GMTITtechnologyweb developmentautomationKamil Janeczekhttps://www.kjaneczek.pl/blog/constellation-flexible-ui/https://www.kjaneczek.pl/blog/constellation-flexible-ui/As the Lead System Architect working for Pega, I’ve had the privilege of diving deep into the intricadetails cies of this cutting-edge architecture, and I'm excited to share our insights with you. This series is designed to guide you through the most important aspects of Pega Constellation, describing the architectural building blocks, the paradigm shift in building applications and most important concept ofTue, 13 Aug 2024 00:00:00 GMTPegaConstellationPega developerArchitectureConstellation SDKsKamil Janeczekhttps://www.kjaneczek.pl/blog/azure-open-ai/https://www.kjaneczek.pl/blog/azure-open-ai/Learn how to connect to Azure OpenAI using JavaScript and the @azure/openai package in this comprehensive guide. Sun, 04 Aug 2024 00:00:00 GMTAILLMAzureGenAIOpeanAIKamil Janeczekhttps://www.kjaneczek.pl/blog/learning-modern-js/https://www.kjaneczek.pl/blog/learning-modern-js/My journey of enhancing my JavaScript skills by diving into modern technologies like ES7, React, and TypeScript.Sun, 28 Jul 2024 00:00:00 GMTJavaScriptprogrammingweb developmentKamil Janeczekhttps://www.kjaneczek.pl/blog/constellation-handson/https://www.kjaneczek.pl/blog/constellation-handson/As the LSA working for Pega, I’ve had the privilege of diving deep into the details of Constellation. I'm excited to share our insights with you.Wed, 19 Jun 2024 00:00:00 GMTPegaConstellationPega developerArchitectureKamil Janeczekhttps://www.kjaneczek.pl/blog/advanced-rag-techniques/https://www.kjaneczek.pl/blog/advanced-rag-techniques/Retrieval-Augmented Generation (RAG) is seen as a powerful technique to enhance the performance and accuracy of language models.Thu, 06 Jun 2024 00:00:00 GMTAILLMRAGGenAIAIDevsKamil Janeczekhttps://www.kjaneczek.pl/blog/low-code-is-future/https://www.kjaneczek.pl/blog/low-code-is-future/Low-code empowers anyone to create applications using ready-made building blocks and enhancing efficiency while reducing costs.Sun, 26 May 2024 00:00:00 GMTlow-codePegasoftware developmententerprise platformsKamil Janeczekhttps://www.kjaneczek.pl/blog/how-to-become-pega-clsa/https://www.kjaneczek.pl/blog/how-to-become-pega-clsa/Achieving Pega cLSA status is an important milestone. This post focus on the strategies and approach that are crucial for passing the exam.Tue, 21 May 2024 00:00:00 GMTPegaPega devcLSALSAPega AcademyKamil Janeczekhttps://www.kjaneczek.pl/blog/how-get-most-of-out-of-the-employees/https://www.kjaneczek.pl/blog/how-get-most-of-out-of-the-employees/In this post, I would like to share a key element that can significantly enhance the functioning of your team. While this isn’t exhaustive, I believe it lays a strong foundation for creating a highly motivated and effective team.Thu, 01 Feb 2024 00:00:00 GMTpeople managementcoachingmentoringteam managementKamil Janeczekhttps://www.kjaneczek.pl/blog/new-technologies/https://www.kjaneczek.pl/blog/new-technologies/Throughout history, new technologies have often been met with fear and skepticism due to their potential to disrupt established norms and create uncertainties.Sat, 06 Jan 2024 00:00:00 GMTITtechnologyKamil Janeczek